CVE-2026-94159 in Total Donations Plugin
Summary
by MITRE • 10/09/2026
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in KlbTheme Total Donations totaldonations allows Stored XSS.This issue affects Total Donations: from n/a through 2.0.5.
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Analysis
by VulDB Data Team • 10/09/2026
The identified security flaw represents a classic instance of Improper Neutralization of Input During Web Page Generation, commonly known as Cross-Site Scripting or XSS. Specifically, this vulnerability manifests as a Stored XSS within the KlbTheme Total Donations plugin for WordPress, affecting versions from n/a through 2.0.5. Unlike reflected XSS where malicious scripts are executed via manipulated URLs, stored XSS involves the persistence of malicious code on the target server. In this context, an attacker can inject executable JavaScript code into fields intended for user input or donation details within the Total Donations plugin. Because the application fails to properly sanitize or encode these inputs before storing them in the database and subsequently rendering them back to users without validation, the injected script becomes a permanent part of the web page content served to visitors.
The technical mechanism behind this vulnerability lies in the insufficient filtering of special characters that have meaning in HTML and JavaScript contexts. When an administrator or user with sufficient privileges enters data into the donation form or related configuration fields, the application accepts raw input without applying necessary encoding functions such as htmlspecialchars or equivalent output escaping mechanisms. Consequently, when another user views a page containing this stored payload, their browser interprets the script tags not as text but as executable code. This allows the attacker to execute arbitrary JavaScript in the context of the victim's session, effectively bypassing same-origin policies that are designed to isolate web applications from each other.
The operational impact of this vulnerability is severe due to its persistent nature and potential for widespread exploitation. Once a malicious payload is stored on the server, it will be delivered to every user who accesses the affected page until the compromised data is manually removed or overwritten by legitimate input. This persistence significantly increases the attack surface compared to transient vulnerabilities. Attackers can leverage this capability to steal session cookies, hijack administrative accounts, deface websites, redirect users to phishing sites, or install keyloggers that capture sensitive credentials entered on the site. Since Total Donations often handles financial transactions and personal donor information, a successful exploitation could lead to significant data breaches, loss of trust among donors, and potential regulatory compliance violations regarding the protection of personally identifiable information.
From an industry standard perspective, this vulnerability aligns with CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'). The specific variant is categorized under Stored XSS, which poses a higher risk than reflected variants because it does not require social engineering to trick users into clicking malicious links; the payload executes automatically upon page load. In terms of the MITRE ATT&CK framework for enterprise security, this vulnerability facilitates techniques such as Collection via Browser Hijacking (T1056) and Credential Access from Browser (T1552), allowing adversaries to harvest sensitive information directly from victim browsers without needing direct system access or complex malware deployment.
To mitigate this risk, immediate action is required by updating the Total Donations plugin to version 2.0.6 or later, where these input validation issues have been addressed. Developers should implement strict output encoding for all dynamic content rendered in HTML contexts and apply context-aware escaping techniques depending on whether data appears inside an HTML body, attribute, JavaScript block, or CSS style sheet. Additionally, implementing a Content Security Policy (CSP) can provide a robust defense-in-depth strategy by restricting the sources from which scripts are allowed to execute, thereby neutralizing many XSS attacks even if input validation fails. Regular security audits and code reviews focusing on data flow analysis will help identify similar vulnerabilities in other plugins or custom themes that interact with user-generated content.